CN206633579U - A kind of rack lowering or hoisting gear and the screen printer with the device - Google Patents
A kind of rack lowering or hoisting gear and the screen printer with the device Download PDFInfo
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- CN206633579U CN206633579U CN201720116772.0U CN201720116772U CN206633579U CN 206633579 U CN206633579 U CN 206633579U CN 201720116772 U CN201720116772 U CN 201720116772U CN 206633579 U CN206633579 U CN 206633579U
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- ball
- rack
- screw
- hoisting gear
- contiguous block
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Abstract
The utility model discloses a kind of rack lowering or hoisting gear and with the device screen printer.Wherein, the rack lowering or hoisting gear, including motor, ball-screw, ball-screw nut, rack contiguous block, guide rail contiguous block and guide rail, the top that motor is arranged at ball-screw is coaxially coupled by shaft coupling with ball-screw, ball-screw nut is sheathed on ball-screw and fixed with rack contiguous block, rack contiguous block is fixedly connected with guide rail contiguous block, and guide rail contiguous block is slideably positioned on the guide rail, and guide rail is arranged on the column of screen printer；The wire mark frame of screen printer is fixed on rack contiguous block, realize high-precision, controllable, stable elevating mechanism, improve efficiency, also pass through origin switch sense base and the controllability of origin inductive switch position, increase its compatibility, the mode time can also be greatly reduced, be also prevented from machine movement and produce collision more than range.
Description
Technical field
It the utility model is related to screen printing equipment field, more particularly to a kind of rack lowering or hoisting gear and with the device
Screen printer.
Background technology
It is that executive component lifts and lifted by executive component of motor two kinds that existing printing machine elevating mechanism, which has cylinder, its
Middle motor elevating mechanism can have motor selective gear rack, motor to match somebody with somebody sprocket wheel chain with timing belt synchronizing wheel, motor with implementation,
Motor is with mechanisms such as ball-screws.
For traditional cylinder elevating mechanism, its shortcoming is that cylinder lifting speed controllability is not high, and multiple gas
Cylinder must keep speed, and unanimously difficulty is higher for commissioning staff, while when cylinder reaches the limit of position substantially with punching
The form of hitting is stopped so stationarity is relatively poor（Also hydraulic bjuffer can be installed in cylinder maximum travel position, so stops
It is poor to carry out positional precision）, extreme position is fixed（Do not possess adjustability）, it is disconnected for burst power-off that mechanism does not possess self-locking performance
Gas phenomenon can have certain influence to mechanism.
Thus prior art could be improved and improve.
The content of the invention
In view of in place of above-mentioned the deficiencies in the prior art, the purpose of this utility model be to provide a kind of rack lowering or hoisting gear and
Screen printer with the device, printing precision and repetitive positioning accuracy can be increased substantially, can be improved with fast lifting
Efficiency.
In order to achieve the above object, the utility model takes following technical scheme：
A kind of rack lowering or hoisting gear, is arranged on screen printer, and the rack lowering or hoisting gear includes motor, ball wire
Thick stick, ball-screw nut, rack contiguous block, guide rail contiguous block and guide rail, the motor, which is arranged at the top of ball-screw, to be passed through
Shaft coupling coaxially couples with ball-screw, and the ball-screw nut is sheathed on ball-screw and fixed with rack contiguous block,
The rack contiguous block is fixedly connected with guide rail contiguous block, and the guide rail contiguous block is slideably positioned on the guide rail, described to lead
Rail is arranged on the column of screen printer；The wire mark frame of screen printer is fixed on rack contiguous block.
Described rack lowering or hoisting gear, in addition to the origin switch sense base being installed in wire mark frame, on the column
Provided with for sensing the first origin inductive switch of minimum debugging stroke and minimum descending stroke and rising row for sensing highest
Second origin inductive switch of journey.
In described rack lowering or hoisting gear, the 3rd origin sense for sensing highest debugging stroke is additionally provided with the column
Inductive switch.
In described rack lowering or hoisting gear, the second origin inductive switch is located at the first origin inductive switch and the 3rd original
Between point inductive switch.
In described rack lowering or hoisting gear, the 3rd origin inductive switch is arranged at the top of column, the first origin sense
Inductive switch is arranged at the bottom of column.
In described rack lowering or hoisting gear, the top of the ball-screw is also arranged with the first Limit Bearing.
In described rack lowering or hoisting gear, the bottom of the ball-screw is also arranged with the second Limit Bearing.
In described rack lowering or hoisting gear, leading screw protective case is provided with outside the ball-screw, the motor is protected with leading screw
Coupler protection cover is provided between sheath.
A kind of screen printer, including wire mark frame, in addition to the rack lowering or hoisting gear described in 4 above-mentioned any one,
The rack lowering or hoisting gear is respectively arranged at the both ends of the wire mark shell outside of screen printer.
Compared to prior art, rack lowering or hoisting gear provided by the utility model and the screen printer with the device,
The rack lowering or hoisting gear, mechanical structure as precision drive and is braked using the ball-screw of motor connection and guide rail contiguous block,
Guide rail is arranged on the column of screen printer, and by controller controlled motor, so as to realize that wire mark frame is high-precision, flat
Steady lifting, simultaneously because ball-screw carries self-lock ability to a certain extent, therefore this mechanical structure is died by burst power-off
Influence relatively low, can be controlled additionally, due to motor acceleration by controller, it is steady that this mechanism can allow wire mark frame to lift
Property increase substantially,, can be in certain journey to reach steady, fast lifting so as to increase substantially mechanical repetitive positioning accuracy
The speed of screen printer is improved on degree, so as to improve efficiency.
Brief description of the drawings
Fig. 1 is the front schematic view of screen printer provided by the utility model.
Fig. 2 is the schematic top plan view of screen printer provided by the utility model.
Fig. 3 is the structural representation of rack lowering or hoisting gear provided by the utility model.
Embodiment
In view of in place of above-mentioned the deficiencies in the prior art, the purpose of this utility model be to provide a kind of rack lowering or hoisting gear and
Screen printer with the device, printing precision and repetitive positioning accuracy can be increased substantially, can be improved with fast lifting
Efficiency.
To make the purpose of this utility model, technical scheme and effect clearer, clear and definite, develop simultaneously implementation referring to the drawings
The utility model is further described example.It should be appreciated that specific embodiment described herein is only explaining this practicality
It is new, it is not used to limit the utility model.
Fig. 1, Fig. 2 and Fig. 3 are referred to, rack lowering or hoisting gear 100 provided by the utility model includes motor 10, ball-screw
20th, ball-screw nut 30, rack contiguous block 40, guide rail contiguous block 50 and guide rail 60, the motor 10 are arranged at ball-screw
20 top is coaxially coupled by shaft coupling 70 with ball-screw 20, and the ball-screw nut 30 is sheathed on ball-screw 20
Above and with rack contiguous block 40 fix, when motor 10 rotates, ball-screw 20 can follow motor 10 to rotate together, and band
Dynamic ball-screw nut 30 moves together.
Specifically, the motor 10 is connected with the dextrorotation of ball-screw 20, i.e., the rotate counterclockwise of ball-screw 20 is to transport downwards
Dynamic, it is to move upwards to turn clockwise, and the left or right rotation of motor 10 can also be connected according to specific requirement, and the rack connects
Connect block 40 to be fixedly connected with guide rail contiguous block 50, the guide rail contiguous block 50 is slideably positioned on the guide rail 60, the guide rail
60 are arranged on the column 80 of screen printer, cause guide rail contiguous block 50 to be moved under in the vertical direction；Screen painting
The wire mark frame 90 of machine is fixed on rack contiguous block 40, because ball-screw nut 30 and wire mark frame 90 are integrally fixed at together
, therefore when motor 10 rotates, ball-screw 20 can follow the direction of rotation of motor 10 to move together, drive ball-screw nut
30 move along the vertical direction track of guide rail contiguous block 50, cause wire mark frame 90 to follow ball-screw 20 to move up and down together.
As shown in figure 3, described rack lowering or hoisting gear 100 also includes the origin switch sensing being installed in wire mark frame 90
Seat 11, the column 80 are provided with the He of the first origin inductive switch 12 for being used for sensing minimum debugging stroke and minimum descending stroke
For sensing the second origin of highest upward stroke inductive switch 13, when gantry motion is at the first origin inductive switch 12, the
One origin inductive switch 12 senses origin switch sense base 11, while the first origin inductive switch 12 sends a signal to controller
（Not shown in figure）, controller receive receive signal at once stop to driver（Not shown in figure）Send pulse and rush signal, make
Motor 10 stops the rotation, and wire mark frame 90 reaches wire mark position and starts operation, and controller sends pulse letter again after the completion of operation
Number driver is given, and controlled motor 10 turns clockwise, and wire mark frame is increased, when wire mark frame 90 rises to the second origin sense
When at inductive switch 13, after the second origin inductive switch 13 senses origin switch sense base 11, the second origin inductive switch 13 is vertical
Controller is sent a signal to, controller stops sending pulse signal to driver at once after receiving signal, stops motor 10
Rotation, a discontinuous running are completed.
It is additionally provided with the column 80 for sensing the 3rd origin inductive switch 14 described in highest debugging stroke, in toning
Cheng Zhong, when the 3rd origin inductive switch 14 senses origin switch sense base 11, the 3rd origin inductive switch 14 sends signal
To controller, what controller mandatory can cancel institute's oriented driver transmission can make the pulse signal that motor 10 turns clockwise
（Main function is protection machine, that is, shows to rise to highest point herein for wire mark frame 90, then break machine wind if rising
Danger）；When machine moves downward, and the first origin inductive switch 12 senses origin switch sense base 11, the sensing of the first origin is opened
Signal can be sent to controller by closing 12, and controller, which receives mandatory to cancel the oriented driver of institute after signal and send, can make motor 10
Pulse signal counterclockwise（Main function is protection machine, that is, shows to drop to lowest part herein for wire mark frame 90, then decline
Words break machine risk）.
Specifically, the second origin inductive switch 13 is located at the first origin inductive switch 12 and the 3rd origin inductive switch
Between 14, specifically, the second origin inductive switch 13 is arranged at peak required when wire mark frame 90 is printed.
The 3rd origin inductive switch 14 is arranged at the top of column 80, and the first origin inductive switch 12 is arranged at column
80 bottom, the 3rd origin inductive switch 14 are specifically arranged at the highest point that wire mark frame 90 can rise to, to ensure machine not
Rise again, in order to avoid have the risk for breaking machine；The first origin inductive switch 12 is specifically arranged at screen-printing machine resilience and dropped to
Lowest part, to ensure that machine no longer declines, in order to avoid there is the risk for breaking machine.
Please continue to refer to Fig. 3, the top of the ball-screw 20 is also arranged with the first Limit Bearing 201, can be with described
First Limit Bearing 201 ensures the smooth of ball bearing rotary motion and has the position-limiting action of peak.
The bottom of the ball-screw 20 is also arranged with the second Limit Bearing 202, can be with second Limit Bearing 202
To ensure the smooth of ball bearing rotary motion and have the position-limiting action of minimum point.
Further, leading screw protective case 203, the motor 10 and leading screw protective case are provided with outside the ball-screw 20
Be provided with coupler protection cover 701 between 203, the leading screw protective case 203 and coupler protection cover 701 be metal plate or other
Material with some strength is made, and can play certain protective effect.
As depicted in figs. 1 and 2, a kind of screen printer, including wire mark frame 90, in addition to 4 wire mark frame lifts
Structure 100, the wire mark frame elevating mechanism 100 are respectively arranged at the both ends in the outside of wire mark frame 90 of screen printer, ascended the throne
In the position at four angles of wire mark frame 90, by four wire mark frame elevating mechanisms 100, can realize four points and meanwhile lift,
Startup and stop motion simultaneously simultaneously, have been significantly greatly increased the stability of mechanical structure, meanwhile, four point positions of screen printer
Stress equalization, decisive role is served to the stationarity of mechanical structure.
In summary, rack lowering or hoisting gear provided by the utility model and the screen printer with the device, the net
Frame lowering or hoisting gear pacifies guide rail using the ball-screw of motor connection and guide rail contiguous block as precision drive and braking mechanical structure
On the column of screen printer, and by controller controlled motor, and opened using origin switch sense base and origin sensing
Row is put into be accurately positioned and resetting, so as to realize high-precision, controllable, the steady elevating mechanism of wire mark frame, simultaneously because
Ball-screw carries self-lock ability to a certain extent, thus this mechanical structure died by burst power-off influence it is relatively low, in addition by
Can being controlled in motor speed by controller, this mechanism can allow the stationarity of the lifting of wire mark frame to increase substantially, from
And mechanical repetitive positioning accuracy is increased substantially, to reach steady, fast lifting, screen printing can be improved to a certain extent
The speed of machine, so as to improve efficiency；Further, the controllability of wire mark frame lifting position, can more preferably compatible all kinds of platens,
The mode time can also be greatly reduced, being also prevented from machine movement by origin switch sense base and origin inductive switch surpasses
Cross range and produce collision.
It is understood that for those of ordinary skills, can according to the technical solution of the utility model and
Its inventive concept is subject to equivalent substitution or change, and all these changes or replacement should all belong to the right appended by the utility model
It is required that protection domain.
Claims (9)
1. a kind of rack lowering or hoisting gear, is arranged on screen printer, it is characterised in that the rack lowering or hoisting gear includes electricity
Machine, ball-screw, ball-screw nut, rack contiguous block, guide rail contiguous block and guide rail, the motor are arranged at ball-screw
Top is coaxially coupled by shaft coupling with ball-screw, and the ball-screw nut is sheathed on ball-screw and connected with rack
Connect block to fix, the rack contiguous block is fixedly connected with guide rail contiguous block, and the guide rail contiguous block is slideably positioned in the guide rail
On, the guide rail is arranged on the column of screen printer；The wire mark frame of screen printer is fixed on rack contiguous block.
2. rack lowering or hoisting gear according to claim 1, it is characterised in that also include the origin being installed in wire mark frame
Inductive switching seat, the column are provided with the first origin inductive switch for being used for sensing minimum debugging stroke and minimum descending stroke
With the second origin inductive switch for sensing highest upward stroke.
3. rack lowering or hoisting gear according to claim 2, it is characterised in that be additionally provided with the column for sensing highest
Debug the 3rd origin inductive switch of stroke.
4. rack lowering or hoisting gear according to claim 3, it is characterised in that the second origin inductive switch is located at first
Between origin inductive switch and the 3rd origin inductive switch.
5. rack lowering or hoisting gear according to claim 3, it is characterised in that the 3rd origin inductive switch is arranged at vertical
The top of post, the first origin inductive switch are arranged at the bottom of column.
6. rack lowering or hoisting gear according to claim 1, it is characterised in that the top of the ball-screw is also arranged with
One Limit Bearing.
7. rack lowering or hoisting gear according to claim 1, it is characterised in that the bottom of the ball-screw is also arranged with
Two Limit Bearings.
8. rack lowering or hoisting gear according to claim 1, it is characterised in that leading screw protection is provided with outside the ball-screw
Cover, coupler protection cover is provided between motor and the leading screw protective case.
9. a kind of screen printer, including wire mark frame, it is characterised in that also including 4 such as claim 1-8 any one institutes
The rack lowering or hoisting gear stated, the rack lowering or hoisting gear are respectively arranged at the both ends of the wire mark shell outside of screen printer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720116772.0U CN206633579U (en) | 2017-02-08 | 2017-02-08 | A kind of rack lowering or hoisting gear and the screen printer with the device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720116772.0U CN206633579U (en) | 2017-02-08 | 2017-02-08 | A kind of rack lowering or hoisting gear and the screen printer with the device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206633579U true CN206633579U (en) | 2017-11-14 |
Family
ID=60252168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720116772.0U Active CN206633579U (en) | 2017-02-08 | 2017-02-08 | A kind of rack lowering or hoisting gear and the screen printer with the device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206633579U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108081743A (en) * | 2017-12-19 | 2018-05-29 | 佛山市毅力机械制造有限公司 | A kind of orifice plate prints polychrome chromatography device |
| CN108724924A (en) * | 2018-05-24 | 2018-11-02 | 深圳光远智能装备股份有限公司 | One kind being used for solar cell plate printer Z-axis lifting mechanism |
-
2017
- 2017-02-08 CN CN201720116772.0U patent/CN206633579U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108081743A (en) * | 2017-12-19 | 2018-05-29 | 佛山市毅力机械制造有限公司 | A kind of orifice plate prints polychrome chromatography device |
| CN108724924A (en) * | 2018-05-24 | 2018-11-02 | 深圳光远智能装备股份有限公司 | One kind being used for solar cell plate printer Z-axis lifting mechanism |
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